مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Features

• 5 V, 2 A, 2.1 channel high-efficiency digital audio system
• Wide-range supply voltage, 4.5 V to 16 V
• Three power output configurations: 2 channels of ternary PWM (2 x 3 W into 4 Ω at 5 V), PWM output, 2 channels of ternary PWM (2 x 3 W into 4 Ω at 5 V), ternary stereo line-out, 2.1 channels of binary PWM (left, right, LFE) (2 x 0.7 W + 1 x 3 W into 4 Ω at 5 V), (2 x 1.4 W + 1 x 6 W into 2 Ω at 5 V)
• FFX with 100-dB SNR and dynamic range
• Selectable 32- to 192-kHz input sample rates
• I²C control with selectable device address
• Digital gain/attenuation +48 dB to -80 dB with 0.5-dB/step resolution, Soft volume update
• Individual channel and master gain/attenuation
• Two independent limiters/compressors
• Dynamic range compression or anti-clipping modes
• Audio presets: 15 preset crossover filters, 5 preset anti-clipping modes, Preset night-time listening mode
• Individual channel soft/hard mute
• Independent channel volume and DSP bypass
• 2-channel I²S input data interface
• Input and output channel mapping
• Automatic invalid-input detect Mute
• Automatic zero-detect mute
• Up to 4 user-programmable biquads/channel
• Three coefficients banks for EQ presets storing with fast recall via I²C interface
• Bass/treble tones and de-emphasis control
• Selectable high-pass filter for DC blocking
• Advanced AM interference frequency switching and noise suppression modes
• Selectable high- or low-bandwidth noise-shaping topologies
• Selectable clock input ratio
• Thermal overload and short-circuit protection embedded
• Video apps: 576 x fS input mode supported